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Book Overview & Buying
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Table Of Contents
Linux Command Line and Shell Scripting Bible - Third Edition
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Chapter 10 showed you how to edit text files using different editor programs available in the Linux environment. These editors enable you to easily manipulate text contained in a text file by using simple commands or mouse clicks.
There are times, however, when you'll find yourself wanting to manipulate text in a text file on the fly, without having to pull out a full-fledged interactive text editor. In these situations, it would be useful to have a simple command line editor that could easily format, insert, modify, or delete text elements automatically.
The Linux system provides two common tools for doing just that. This section describes the two most popular command line editors used in the Linux world, sed and gawk.
The sed editor is called a stream editor, as opposed to a normal interactive text editor. In an interactive text editor, such as vim, you interactively use keyboard commands to insert, delete, or replace text in the...
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